John Byrne, M.D.
Allergy & Immunology Physician · Riverhead, NY
John Byrne, M.D. is an allergy & immunology physician with a practice address in Riverhead, New York, and NPI 1144227208, issued on Jul 5, 2005. Check the license (New York 2113491, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Byrne
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 2113491 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1149 Old Country Road, Riverhead, NY 11901
- Phone
- (631) 591-2209
- Enumerated
- Jul 5, 2005
- Record last updated
- May 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (631) 591-2194
- Medicare enrollment
- Enrolled (PECOS I20060718000279); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 311 in New York → Look up another NPI →
Verify John Byrne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 2113491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
459 Medicare Part D claims for 138 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Azelastine Hcl130 claims
- Fluticasone Propionate44 claims
- Breo Ellipta30 claims
- Montelukast Sodium19 claims
- Albuterol Sulfate Hfa16 claims
- Arnuity Ellipta16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Three Village Allergy And Asthma, PLLCSouth Setauket, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Byrne among 311 allergy & immunology physician records in New York
John Byrne, M.D. is one of 311 allergy & immunology physician records with a practice address in New York. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1995 · median 2000 among the 211 with a school on file
- Record last updated2014 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in New York
There are 311 allergy & immunology physician records in New York.
All 311 in New York → Every provider in Riverhead → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Brian Safier, M.D.Riverhead, NY 119011083878607
- William Nicholas, MDEast Hampton, NY 119371326116427
- Hema Dalal, MDHampton Bays, NY 119461215963855
- Atul Shah, MDShirley, NY 119671831177245
- Erin McGintee, M.D.Southampton, NY 119681295750412
- Joseph Grillo, M.D.Plainview, NY 118031437449246
- Gregory Puglisi, M.D.Plainview, NY 118031225161284
- Shaan Waqar, M.D.Plainview, NY 118031205135472
Common questions
What is John Byrne, M.D.'s NPI number?
John Byrne, M.D.'s National Provider Identifier (NPI) is 1144227208, issued on Jul 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Byrne, M.D. located?
The NPPES record lists a practice address at 1149 Old Country Road, Riverhead, NY, 11901. Phone: (631) 591-2209. Providers update this record themselves, so call before visiting.
How can I verify John Byrne, M.D.'s license?
NPPES lists New York license number 2113491, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Byrne, M.D. prescribe under Medicare Part D?
In 2024, John Byrne, M.D. had 459 Medicare Part D claims for 138 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.